David Chandler Night Reader Pro LED Torch

David Chandler Night Reader Pro LED Torch
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£12.00

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In stock - Shipped 1-2 working days.

Model:  chandler_night_reader_pro
Part Number:  NRP
Brand:  David Chandler

David Chandler

The little light with big performance!

Purpose-made for astronomy this handy dimmable red LED light can be used at high intensity for walking about then set to a lower intensity for comfortable use with an atlas or planisphere. 

Uses only a 630nm red LED light so it will never accidentally blast you with white light.  The intensity of the light can be adjusted from a soft red glow perfect for reading a planisphere or atlas to a bright beam useful in setting up equipment and walking around a dark observing site. 

It can take up to 45 minutes for the human eye to completely adapt to darkness as a protein called Rhodopsin builds up in the rod cells.  Once your night vision is adapted you might be surprised at how many more objects are visible, and how much better you can see details in faint objects.  Unfortunately it takes only a few seconds of bright white light from a flashlight or cell phone display to deplete your night vision!  The longer wavelength red light produced by the Night Reader Pro™ is detected by your eye's cone cells but does not deplete Rhodopsin in your rod cells.  This allows you to read a chart or atlas and immediately return to viewing the sky.  

Your neighbours at a star party will also appreciate your using an astronomy torch when setting up and moving around. 

Chandler Night Sky planispheres are printed with a blue ink specifically selected to work with red light for ease of viewing. 

Includes a quick-clip keychain attachment so it can be kept close at hand and the CR2032 alkaline battery is replaceable to reduce waste. 

Made in the USA.

 

Night Reader Pro – Instructions

The Night Reader Pro™ uses advanced programming provides several features whilst using only a single button: 

Instant Full Power On/Off 

Simply press and release the button for instant on at full power. Press and release to turn the light off again. 

Adjustable Brightness 

From off:
Simply press and hold until desired brightness is reached. 
The light will blink once when it has reached the highest setting. 

From Full Brightness: 
Simply press and hold until desired brightness is reached. 
The light will blink once when it has reached the lowest setting. 

Note: You can continue to ramp up or down from any brightness setting not just from On or Off. 

To exit this mode, simply turn the light off. 

Three-Minute Timer Mode 

The three Minute Timer mode automatically shuts the light Off after three minutes. While in this mode you have full access to the full range brightness control, the three strobe beacons and automatic SOS all of which will shut off after three minutes. This mode is great because it allows you to use the lights full functionality and is a guarantee against inadvertent battery drain. 

To access this mode press the button rapidly four times or until the light only stays on when pressed. Next press and hold the button, the light will turn itself Off, continue to hold the button for another five seconds, the light will blink once to let you know you are now in Three Minute Timer mode. 

To exit this mode press the button rapidly four times or until the light stays on only when pressed. Next hold the button for four seconds or until the light shuts off. And you have exited the Three Minute Timer mode! 

Strobe Beacons 

Beacon mode gives you Slow Medium or Fast Strobe and an automatic SOS signal mode. Great for use as emergency warning lights, trail markers, or to attract attention in any situation. 

To Access from either Off or On 
Simply press and hold. The light will ramp up or down in brightness then blink once. Continue holding the button down after the single blink. You have reached Slow strobe, continue holding to reach Medium and Fast strobe, continue holding to reach the SOS signal mode.  Release the button when the desired beacon mode is reached.  In SOS signal mode the light will flash the letters S-O-S in Morse Code. 

To exit any of these modes, simply turn the light off. 

Signal/Momentary Mode 

Momentary mode changes your light from constant On to squeeze On/Off. When this mode is activated the light will not stay on unless the button is pushed and held. This is very useful when carrying your light on your keys or in a bag. It also allows you to use the light as a signaling device. 

To access this mode press the button rapidly 4 times, or until it the light stays on only when pressed. 

To exit this mode, simply press and hold the button until the light turns off (about 4 seconds). 

There are currently no specifications available for this product.

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